ipn: add missing locking in LocalBackend.NetMap

Looks like it's only used by tests.
This commit is contained in:
Brad Fitzpatrick 2020-06-24 13:55:56 -07:00
parent 2a8e064705
commit 5bc29e7388
1 changed files with 2 additions and 0 deletions

View File

@ -769,6 +769,8 @@ func (b *LocalBackend) doSetHostinfoFilterServices(hi *tailcfg.Hostinfo) {
// NetMap returns the latest cached network map received from
// controlclient, or nil if no network map was received yet.
func (b *LocalBackend) NetMap() *controlclient.NetworkMap {
b.mu.Lock()
defer b.mu.Unlock()
return b.netMap
}